Year Per 100,000 People 1985 1.8664 1986 1.6124 1987 1.3718 1988 1.5163 1989 2.2131 1990 1.9803 1991 2.3156 1992 2.1174 1993 1.3301 1994 2.0314 1995 2.2854 1996 2.0553 1997 1.9487 1998 0.9228 1999 1.2459 2000 0.967 2001 0.7496 2002 1.3573 2003 1.1679 2004 1.6518 2005 1.0686 2006 0.5409 2007 0.8409 2008 0.4985 2009 0.5168 2010 0.3519 2011 0.7987 2012 0.6083 2013 0.8061 2014 0.9119 2015 0.5605